https://cfe.uc.pt/publicacoes/d-raimundo-de-lancastre-4th-duke-of-aveiro-treason-and-loyalty-during-the-wars-of-restoration-armas-e-trofeus-revista-de-historia-heraldica-genealogia-e-arte-ix-serie-tomo-19-2017-pp/
"D. Raimundo de Lancastre, 4th Duke of Aveiro: Treason and loyalty during the Wars of Restoration"....
duke of aveirothe warsraimundolancastretreason